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Finding the Fourth Proportional to 443,532.83, 612,075.51 and 239,583.74

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Solution

The fourth proportional to 443,532.83, 612,075.51 and 239,583.74 is: 330,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,532.83 : 612,075.51 = 239,583.74 : x
  2. Step 2: Convert to fraction form
    443,532.83/612,075.51 = 239,583.74/x
  3. Step 3: Cross multiply
    443,532.83x = 612,075.51 × 239,583.74
  4. Step 4: Simplify right side
    443,532.83x = 146,643,336,787.83
  5. Step 5: Solve for x
    x = 146,643,336,787.83/443,532.83
  6. Step 6: Final answer
    x = 330,625.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.